<!DOCTYPE html>
<html>
  <head>
    <title>地图api</title>
  </head>
<body>
<p id="demo">点击这个按钮，获得您的坐标：</p>
<button onclick="getLocation()">试一下</button>
<script>
var x=document.getElementById("demo");
function getLocation(){
  if (navigator.geolocation){
    navigator.geolocation.getCurrentPosition(showPosition);
   }
  else{
	  x.innerHTML="Geolocation is not supported by this browser.";}
  }
function showPosition(position){
  x.innerHTML="Latitude: " + position.coords.latitude + "<br />Longitude: " + position.coords.longitude;   
 }
</script>
</body>
</html>
